Question

21. Complete the table and do the statistical calculations. 4.8 5.2 6.4 7.3 7.8 a. Ex- g. Population variance h. Sample variance- i. Identify (b) through (f) by name. J. Identify (g) through (h) by symbol. C. x e, σ, assuming μ-x Use a statistical calculator to check the results for i, o, and s in the following: a. Exercise 16 b. Example 3.12 c. Example 3.14 d. Exercise 21. 22. 25. Use a statistical calculator with the data values in exercise 18 to find b. Population standard deviation, assuming x-μ c. Sample standard deviation d.σ2 Use the results from exercise 25 to find the following values for the data in exercise 18: a. ts 29. What percentage of the data values in etercise 18 are more than 2 standard deviations from the mean d. 46 Find the x ± 3s spread of values for the data in exercise 18.

Answer 1

21.)

a. Sum of data - 31.5

b. Mean - 6.3

c. Median - 6.4

d. Range - 3

e. Standard deviation - 1.1593

f. Sample standard deviation - 1.2961

g. Population variance (σ²) - 1.344

h. Sample variance ( s² ) - 1.68

i. and j. answers above

To answers rest of the problems, data is required. Thanks